- Made to order in our Kent workshop
Nationwide
Lead Times
Installation
Timber Warranty
Made to measure
Our casement windows are designed not just to look beautiful, but to deliver long-lasting performance. Whether you are upgrading existing windows, replacing damaged frames, or renovating a period property, our experienced joiners ensure every detail is correct, from the timber selection and mouldings to the glazing and finish. We also offer engineered Lignum timber casement windows, which provide outstanding structural stability, aesthetic flexibility and sustainable performance for both traditional and contemporary properties. Our team manages the process from start to finish, ensuring a smooth, stress-free experience from design consultation through to installation.
At a glance
Timber
Accoya or Red Grandis
Glazing
Double, triple or vacuum
U-values
From 0.7 W/m²K
Security
PAS 24, Secured by Design
Start the process
Request an estimate
Fill in as many details as possible and we’ll use them to prepare your estimate.
Accredited and certified
Casement Windows
Specification
Timber
Accoya
Red Grandis
Finishes
Opaque finishes
Translucent finishes
RAL and custom colours
Factory finished
Glazing
Standard double glazing
Slim heritage units
Specialist and triple glazing
Ironmongery
We supply premium Hardwick ironmongery to provide the perfect finishing touch to your joinery. These high-quality fittings are crafted from solid brass, ensuring they feel substantial and operate smoothly. Available in a variety of styles, from the Heritage range to sleek contemporary designs.
Technical
Head and jambs
93mm x 57mm
Cill
93mm x 68mm
Transom and mullion
93mm x 68mm
Sash top rails and stiles
64mm x 57mm
Sash bottom rail
67mm x 57mm
Sash profile
Ovolo or Lambs Tongue
Cill projection
Flush, 35mm, 60mm, 85mm or 100mm
Trickle vents
Concealed through head, 4600EA
U-values, W/m²K (lower is better)
Double glazing
1.2
Triple glazing
0.9
Vacuum glazing
0.7
What you can expect
Working with us
Listed and heritage
Heritage and conservation
Match existing window profiles and mouldings
Reproduce period-correct details
Drawings and specifications for planning approval
Modern performance, historic character intact
Materials
Materials
We manufacture our casement windows using premium, sustainably sourced timbers, including hardwoods, softwoods and Accoya. These materials offer exceptional durability, weather resistance and long service life. Accoya and Red Grandis are among our most recommended choices thanks to their outstanding stability and low-maintenance performance.
The combination of quality timber and proven manufacturing techniques ensures that each casement window remains dependable for decades, with minimal maintenance required to stay looking its best.
Bespoke joinery design
Expert craftsmanship and installation
Sustainable timber and finishes
Trade partners
Team up with Spittlywood
We build trade partnerships with trusted professionals to deliver the best quality products and services.
Monthly DWG files
Part Q compliant blueprints
Trade pricing
Competitive trade account rates
Specification advice
Help choosing the right product
Installation advice
Support from our team
Account manager
Dedicated, after your first order
White-label brochure
To share with your customers
Delivery and installation
Across the South East
We deliver across the UK, with installation available throughout Kent, London and the South East. Whether you are a homeowner, architect, builder or developer, our team is on hand to help with technical specifications, planning requirements and design choices.
FAQs
Heritage and planning
Do you have experience working with listed buildings?
Can you match existing casement windows for listed buildings?
Can you provide section drawings for planning permissions?
Timber and finish
What timber do you recommend for casement windows?
Can I choose the finish and colour?
Do you supply bare wood items?
Security and glazing
Are your casement windows secure and energy efficient?
What type of glazing do you use?
What is PAS 24 and how does it apply to casement windows?
Supply and lead times
Do you supply and fit casement windows?
What is the lead time for bespoke casement windows?
Our range
Windows
PAS 24 certified, energy efficient
View range
Windows
Conservation and listed projects
View range
Windows
Exceptional performance and style
View range
Windows
Durable aluminium clad windows
View range
Doors
Secure hardwood or Accoya doors
View range
Doors
Classic doors, modern performance
View range
Doors
Created to your specification
View range
Doors
Modern designs, smooth in operation
View range
Next steps
Send us your sizes, or your drawings, and we will come back with an estimate. Everything is made to order in our Kent workshop, with a lead time of six to eight weeks.
